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The vectors vecA = 3hati + hatk and vecB...

The vectors `vecA = 3hati + hatk` and `vecB = hati + 2hatj` are adjacent sides of a parallelogram. Its area is

A

`(sqrt(17))/2`

B

`(sqrt14)/2`

C

`sqrt(41)`

D

`(sqrt7)/2`

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